-
Notifications
You must be signed in to change notification settings - Fork 0
/
uSettingsBaseItem.pas
504 lines (436 loc) · 12.4 KB
/
uSettingsBaseItem.pas
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
unit uSettingsBaseItem;
interface
uses
SysUtils, Classes, SyncObjs, IniFiles, AcedStrings, AcedContainers,
uGlobalTypes,
{$IFDEF UNICODE}
Generics.Collections
{$ELSE}
Contnrs
{$ENDIF}
;
const
DEFAULT_INI_SECTION = 'Settings';
GENERID_MASK = Integer(1 shl 30);
type
ESettingsBaseError = class(Exception);
TSettingsBaseItem = class
private
FID: Integer;
FName: AnsiString;
FIniName: string;
FIniSection: string;
FFileName: TFileName;
//---
function GetIniName: string;
function GetIniSection: string;
function GetFileName: TFileName;
protected
//---
function GetAsInt: Int64; virtual; abstract;
procedure SetAsInt(const AValue: Int64); virtual; abstract;
function GetAsAText: AnsiString; virtual; abstract;
procedure SetAsAText(const AValue: AnsiString); virtual; abstract;
function GetAsBool: Boolean; virtual; abstract;
procedure SetAsBool(const AValue: Boolean); virtual; abstract;
{$IFDEF UNICODE}
function GetAsUText: UnicodeString; virtual; abstract;
procedure SetAsUText(const AValue: UnicodeString); virtual; abstract;
{$ENDIF}
public
constructor Create(const AID: Integer; const AName: AnsiString;
const AIniName, AIniSection: string;
const AFileName: TFileName); overload;
constructor Create(ACopySource: TSettingsBaseItem); overload;
destructor Destroy; override; // reintroduce???
//---
function _Dump: UTF8String; virtual;
// function Clone(): TSettingsBaseItem; virtual; abstract;
//---
property ID: Integer read FID;
property Name: AnsiString read FName;
property IniName: string read GetIniName;
property IniSection: string read GetIniSection;
property FileName: TFileName read GetFileName;
//---
property AsAText: AnsiString read GetAsAText write SetAsAText;
{$IFDEF UNICODE}
property AsText: string read GetAsUText write SetAsUText;
property AsUText: UnicodeString read GetAsUText write SetAsUText;
{$ELSE}
property AsText: string read GetAsAText write SetAsAText;
property AsUText: UnicodeString read GetAsAText write SetAsAText;
{$ENDIF}
property AsInt: Int64 read GetAsInt write SetAsInt;
property AsBool: Boolean read GetAsBool write SetAsBool;
end;
TSettingsBaseItemA = class(TSettingsBaseItem)
protected
FLockObj: TCriticalSection;
public
procedure AfterConstruction; override;
destructor Destroy; override;
end;
TSettingsBaseItemB = class(TSettingsBaseItem)
protected
FRwLockObj: TMultiReadExclusiveWriteSynchronizer;
public
procedure AfterConstruction; override;
destructor Destroy; override;
end;
TSettingsBaseList = class;
TSettingsBaseListEnumerator = class
private
FIndex: Integer;
FList: TSettingsBaseList;
public
constructor Create(AList: TSettingsBaseList);
function GetCurrent: TSettingsBaseItem;
function MoveNext: Boolean;
property Current: TSettingsBaseItem read GetCurrent;
end;
TSettingsBaseList = class
private
FItems: TIntegerAssociationList;
FNames: TStringAssociationList;
FListName: AnsiString;
public
constructor Create(const AName: AnsiString);
destructor Destroy; override;
function GetEnumerator: TSettingsBaseListEnumerator;
//---
function _Dump: UTF8String; virtual;
//---
procedure AddItem(AItem: TSettingsBaseItem);
procedure DelItem(AItem: TSettingsBaseItem);
function Search(AId: Integer): TSettingsBaseItem; overload;
function Search(const AName: AnsiString): TSettingsBaseItem; overload;
function Search(AId: Integer; var AOutItem: TSettingsBaseItem): Boolean; overload;
function Search(const AName: AnsiString; var AOutItem: TSettingsBaseItem): Boolean; overload;
procedure IniRead(AIni: TCustomIniFile); virtual;
procedure IniWrite(AIni: TCustomIniFile); virtual;
procedure Load; virtual;
procedure Save; virtual;
procedure Clear;
// procedure CopyFrom(const ASource: TSettingsBaseList);
//---
property ListName: AnsiString read FListName;
end;
TSettingsBaseListList = class;
TSettingsBaseListListEnumerator = class
private
FIndex: Integer;
FList: TSettingsBaseListList;
public
constructor Create(AList: TSettingsBaseListList);
function GetCurrent: TSettingsBaseList;
function MoveNext: Boolean;
property Current: TSettingsBaseList read GetCurrent;
end;
TSettingsBaseListList = class(TList)
public
function GetEnumerator: TSettingsBaseListListEnumerator;
function _Dump(): UTF8String;
end;
{$IFDEF UNICODE}
TSettingsSimpleList = TList<TSettingsBaseItem>;
{$ELSE}
TSettingsSimpleList = class(TList)
protected
function GetItem(AIndex: Integer): TSettingsBaseItem;
procedure SetItem(AIndex: Integer; AItem: TSettingsBaseItem);
public
function Add(AItem: TSettingsBaseItem): Integer;
property Items[AIndex: Integer]: TSettingsBaseItem read GetItem write SetItem; default;
end;
{$ENDIF}
implementation
uses uGlobalFunctions, uGlobalVars;
{ TSettingsBaseItem }
constructor TSettingsBaseItem.Create(const AID: Integer;
const AName: AnsiString; const AIniName, AIniSection: string;
const AFileName: TFileName);
begin
if AID<=0 then
raise ESettingsBaseError.Create('ID must be greater than zero');
if ((AID and GENERID_MASK)<>0) and (AName='') then
raise ESettingsBaseError.Create('Name must be nonempty');
//---
FID := AID;
FName := AName;
FIniName := AIniName;
FIniSection := AIniSection;
FFileName := AFileName;
//---
end;
constructor TSettingsBaseItem.Create(ACopySource: TSettingsBaseItem);
begin
Create(
ACopySource.FID,
ACopySource.FName,
ACopySource.FIniName,
ACopySource.FIniSection,
ACopySource.FFileName
);
end;
destructor TSettingsBaseItem.Destroy;
begin
inherited;
end;
function TSettingsBaseItem.GetFileName: TFileName;
begin
Result := IfElse(FFileName='', '', gDirApp+FFileName)
end;
function TSettingsBaseItem.GetIniName: string;
begin
if FFileName<>'' then
Result := ''
else
if FIniName<>'' then
Result := FIniName
else
if FName<>'' then
Result := string(FName)
else
Result := ''
end;
function TSettingsBaseItem.GetIniSection: string;
begin
Result := IfElse(FIniSection='', DEFAULT_INI_SECTION, FIniSection);
end;
function TSettingsBaseItem._Dump: UTF8String;
var S: {$IFDEF UNICODE}SysUtils.{$ENDIF}TStringBuilder;
begin
S := {$IFDEF UNICODE}SysUtils.{$ENDIF}TStringBuilder.Create(1024);
try
S.Append('"ID":').Append(FID);
if FName<>'' then S.AppendFormat(',"Name":"%s"', [FName]);
S.Append(',"Value":%s');
if FFileName<>'' then S.AppendFormat(',"FileName":"%s"', [JsonStringSafe(FFileName)]);
if FIniName<>'' then S.AppendFormat(',"IniName":"%s"', [FIniName]);
if FIniSection<>'' then S.AppendFormat(',"IniSection":"%s"', [FIniSection]);
//---
Result := UTF8Encode(S.ToString());
finally
S.Free
end;
end;
{ TSettingsBaseItemA }
procedure TSettingsBaseItemA.AfterConstruction;
begin
inherited;
FLockObj := TCriticalSection.Create
end;
destructor TSettingsBaseItemA.Destroy;
begin
FreeAndNil(FLockObj);
inherited;
end;
{ TSettingsBaseItemB }
procedure TSettingsBaseItemB.AfterConstruction;
begin
inherited;
FRwLockObj := TMultiReadExclusiveWriteSynchronizer.Create
end;
destructor TSettingsBaseItemB.Destroy;
begin
FreeAndNil(FRwLockObj);
inherited;
end;
{ TSettingsBaseListEnumerator }
constructor TSettingsBaseListEnumerator.Create(AList: TSettingsBaseList);
begin
inherited Create;
FIndex := -1;
FList := AList;
end;
function TSettingsBaseListEnumerator.GetCurrent: TSettingsBaseItem;
begin
Result := TSettingsBaseItem(FList.FItems.ValueList^[FIndex]);
end;
function TSettingsBaseListEnumerator.MoveNext: Boolean;
begin
Result := FIndex < (FList.FItems.Count - 1);
if Result then
Inc(FIndex);
end;
{ TSettingsBaseList }
constructor TSettingsBaseList.Create(const AName: AnsiString);
begin
FItems := TIntegerAssociationList.Create;
FItems.OwnValues := True;
FNames := TStringAssociationList.Create(False);
FListName := AName;
end;
destructor TSettingsBaseList.Destroy;
begin
FreeAndNil(FItems);
FreeAndNil(FNames);
inherited;
end;
function TSettingsBaseList.GetEnumerator: TSettingsBaseListEnumerator;
begin
Result := TSettingsBaseListEnumerator.Create(Self);
end;
procedure TSettingsBaseList.IniRead(AIni: TCustomIniFile);
begin
{Empty}
end;
procedure TSettingsBaseList.IniWrite(AIni: TCustomIniFile);
begin
{Empty}
end;
procedure TSettingsBaseList.Load;
begin
{Empty}
end;
procedure TSettingsBaseList.Save;
begin
{Empty}
end;
procedure TSettingsBaseList.AddItem(AItem: TSettingsBaseItem);
begin
if Assigned(AItem) then
begin
FItems.Add(AItem.ID, AItem);
if AItem.Name<>'' then
FNames.Add(AItem.Name, AItem);
end;
end;
procedure TSettingsBaseList.DelItem(AItem: TSettingsBaseItem);
begin
if Assigned(AItem) then
begin
FItems.Remove(AItem.ID);
FNames.Remove(AItem.Name);
end;
end;
function TSettingsBaseList.Search(AId: Integer): TSettingsBaseItem;
begin
Result := FItems.Items[AId]
end;
function TSettingsBaseList.Search(const AName: AnsiString): TSettingsBaseItem;
begin
Result := FNames.Items[AName]
end;
function TSettingsBaseList.Search(AId: Integer;
var AOutItem: TSettingsBaseItem): Boolean;
begin
AOutItem := Search(AId);
Result := Assigned(AOutItem)
end;
function TSettingsBaseList.Search(const AName: AnsiString;
var AOutItem: TSettingsBaseItem): Boolean;
begin
AOutItem := Search(AName);
Result := Assigned(AOutItem)
end;
procedure TSettingsBaseList.Clear;
begin
FItems.Clear;
FNames.Clear;
end;
{
procedure TSettingsBaseList.CopyFrom(const ASource: TSettingsBaseList);
var A: TSettingsBaseItem;
begin
Clear;
if Assigned(ASource) then
for A in ASource do
AddItem(A.Clone());
end;
}
function TSettingsBaseList._Dump: UTF8String;
var
A: TSettingsBaseItem;
R: AcedStrings.TStringBuilder;
begin
if FItems.Count>0 then
begin
R := TStringBuilder.Create(64*FItems.Count);
try
R.Append('[');
for A in Self do
begin
if R.Length>1 then
R.Append(',');
R.Append('{');
R.Append(RawByteString(A._Dump()));
R.Append('}');
end;
R.Append(']');
Result := RawByteString(R.ToString());
Exit;
finally
R.Free
end;
end;
Result := '';
end;
{ TSettingsBaseListListEnumerator }
constructor TSettingsBaseListListEnumerator.Create(
AList: TSettingsBaseListList);
begin
inherited Create;
FIndex := -1;
FList := AList;
end;
function TSettingsBaseListListEnumerator.GetCurrent: TSettingsBaseList;
begin
Result := TObject(FList[FIndex]) as TSettingsBaseList;
end;
function TSettingsBaseListListEnumerator.MoveNext: Boolean;
begin
Result := FIndex < (FList.Count - 1);
if Result then
Inc(FIndex);
end;
{ TSettingsBaseListList }
function TSettingsBaseListList.GetEnumerator: TSettingsBaseListListEnumerator;
begin
Result := TSettingsBaseListListEnumerator.Create(Self);
end;
function TSettingsBaseListList._Dump: UTF8String;
var
z: AnsiString;
A: TSettingsBaseList;
S: TAnsiStringBuilder;
begin
S := TAnsiStringBuilder.Create(1024);
try
S.Append('{');
for A in Self do
begin
z := RawByteString(A._Dump());
if z<>'' then
begin
if S.Length>1 then
S.Append(',');
S.Append('"').Append(A.ListName).Append('":').Append(z);
end;
end;
if S.Length=1 then
S.Clear
else
S.Append('}');
//---
Result := RawByteString(S.ToString());
finally
S.Free
end;
end;
{ TSettingsSimpleList }
function TSettingsSimpleList.Add(AItem: TSettingsBaseItem): Integer;
begin
Result := inherited Add(AItem);
end;
function TSettingsSimpleList.GetItem(AIndex: Integer): TSettingsBaseItem;
begin
Result := inherited Items[AIndex];
end;
procedure TSettingsSimpleList.SetItem(AIndex: Integer;
AItem: TSettingsBaseItem);
begin
inherited Items[AIndex] := AItem;
end;
end.